[cluster] Fix styling issues in single-process mode

Changing the theme and accent color was not possible in single-process
mode because the ApplicationManagerWindow doesn't have a contentItem
where we can change the NeptuneTheme attached property.

Change-Id: I992d0857e1d5c7ee8ac4ab28215a03ca69c2df34
Reviewed-by: Daniel d'Andrada <daniel.dandrada@luxoft.com>
Reviewed-by: Bramastyo Harimukti Santoso <bramastyo.harimukti.santoso@pelagicore.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/apps/com.theqtcompany.cluster/Main.qml b/apps/com.theqtcompany.cluster/Main.qml
index 5ef95b47..1e445991 100644
--- a/apps/com.theqtcompany.cluster/Main.qml
+++ b/apps/com.theqtcompany.cluster/Main.qml
@@ -52,11 +52,21 @@ ApplicationManagerWindow {
     UISettings {
         onThemeChanged: updateTheme()
         onAccentColorChanged: {
-            root.contentItem.NeptuneStyle.accentColor = accentColor;
+            // In single-process mode we don't have a contentItem, so we need to use root instead
+            // TODO This should be fixed in the appman abstraction at some point
+            if (root.contentItem)
+                root.contentItem.NeptuneStyle.accentColor = accentColor;
+            else
+                root.NeptuneStyle.accentColor = accentColor;
         }
         Component.onCompleted: updateTheme()
         function updateTheme() {
-            root.contentItem.NeptuneStyle.theme = theme === 0 ? NeptuneStyle.Light : NeptuneStyle.Dark;
+            // In single-process mode we don't have a contentItem, so we need to use root instead
+            // TODO This should be fixed in the appman abstraction at some point
+            if (root.contentItem)
+                root.contentItem.NeptuneStyle.theme = theme === 0 ? NeptuneStyle.Light : NeptuneStyle.Dark;
+            else
+                root.NeptuneStyle.theme = theme === 0 ? NeptuneStyle.Light : NeptuneStyle.Dark;
         }
     }